US7243626B2 - Camshaft adjuster - Google Patents
Camshaft adjuster Download PDFInfo
- Publication number
- US7243626B2 US7243626B2 US11/124,841 US12484105A US7243626B2 US 7243626 B2 US7243626 B2 US 7243626B2 US 12484105 A US12484105 A US 12484105A US 7243626 B2 US7243626 B2 US 7243626B2
- Authority
- US
- United States
- Prior art keywords
- camshaft
- pressure medium
- camshaft adjuster
- medium distributor
- positively
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L2001/0475—Hollow camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
- F01L2001/34433—Location oil control valves
Abstract
Description
- 1 Camshaft adjuster
- 2 Timing gear
- 3 Output part
- 4 First side wall
- 5 Second side wall
- 6 Recesses
- 7 Bulging formations
- 8 Vane
- 9 Compression spring
- 10 Screw
- 11 Camshaft
- 12 First pressure chamber
- 13 Second pressure chamber
- 14 Locking device
- 15 Cartridge
- 16 Spiral spring
- 17 Piston
- 18 Slotted guide
- 19 Cam
- 20 Bore
- 21 Pressure medium distributor
- 22 Central valve
- 23 Valve body
- 24 Valve piston
- 25 First annular passage
- 26 Second annular passage
- 27 Third annular passage
- 28 Fourth annular passage
- 29 First opening
- 30 Second opening
- 31 Third opening
- 32 Fourth opening
- 33 Fifth opening
- 34 Sixth opening
- 35 Seventh opening
- 36 Eighth opening
- 37 First connection
- 38 Second connection
- 39 Third connection
- 40 Fourth connection
- 41 Ninth opening
- 42 Shoulder
- 43 Actuating element
- 44 Actuating device
- 45 Spring
- 46 Fifth annular passage
- 47 Sixth annular passage
- 48 Seventh annular passage
- 49 Tenth opening
- 50 Eleventh opening
- 51 Element
- 52 First pressure medium line
- 53 Second pressure medium line
- 54 Vent bores
- 55 Component secured on the cylinder head
- 56 Bore
- 57 Groove
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/747,312 US7597076B2 (en) | 2004-05-14 | 2007-05-11 | Camshaft adjuster |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004023976 | 2004-05-14 | ||
DE102004023976.2 | 2004-05-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/747,312 Continuation US7597076B2 (en) | 2004-05-14 | 2007-05-11 | Camshaft adjuster |
Publications (2)
Publication Number | Publication Date |
---|---|
US20050252467A1 US20050252467A1 (en) | 2005-11-17 |
US7243626B2 true US7243626B2 (en) | 2007-07-17 |
Family
ID=34934322
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/124,841 Active US7243626B2 (en) | 2004-05-14 | 2005-05-09 | Camshaft adjuster |
US11/747,312 Active US7597076B2 (en) | 2004-05-14 | 2007-05-11 | Camshaft adjuster |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/747,312 Active US7597076B2 (en) | 2004-05-14 | 2007-05-11 | Camshaft adjuster |
Country Status (6)
Country | Link |
---|---|
US (2) | US7243626B2 (en) |
EP (1) | EP1596040B1 (en) |
JP (1) | JP4563859B2 (en) |
KR (1) | KR101179420B1 (en) |
CN (2) | CN1696476B (en) |
DE (1) | DE502005010369D1 (en) |
Cited By (7)
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---|---|---|---|---|
US20070204824A1 (en) * | 2004-05-14 | 2007-09-06 | Ina-Schaeffler Kg | Camshaft adjuster |
US20080271690A1 (en) * | 2007-05-02 | 2008-11-06 | Schaeffler Kg | Camshaft adjuster for an internal combustion engine with integrated valve slide |
US20100327209A1 (en) * | 2008-01-26 | 2010-12-30 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulic medium insert for a control valve in a hydraulic actuator |
US20110220046A1 (en) * | 2010-03-09 | 2011-09-15 | Schwabische Huttenwerke Automotive Gmbh | Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft |
US20140352638A1 (en) * | 2013-05-28 | 2014-12-04 | Schaeffler Technologies Gmbh & Co. Kg | Camshaft adjusting device |
US8931450B2 (en) | 2011-03-18 | 2015-01-13 | Eto Magnetic Gmbh | Camshaft assembly and method for producing a camshaft assembly |
US20170356313A1 (en) * | 2015-01-15 | 2017-12-14 | Schaeffler Technologies AG & Co. KG | Central valve for a camshaft adjustment device |
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EP1710466B1 (en) * | 2004-01-14 | 2012-03-07 | Yamaha Hatsudoki Kabushiki Kaisha | In-line four-cylinder engine for vehicle and vehicle provided with the engine |
DE102004038160B4 (en) * | 2004-05-14 | 2017-03-23 | Schaeffler Technologies AG & Co. KG | Phaser |
DE102005026247A1 (en) * | 2005-06-08 | 2006-12-14 | Schaeffler Kg | Automotive camshaft adjustment mechanism formed as a single unit with adjustment mechanism bearing wing balance |
DE102006041918A1 (en) * | 2006-09-07 | 2008-03-27 | Mahle International Gmbh | Adjustable camshaft |
EP1972762B1 (en) * | 2007-03-23 | 2011-08-03 | Ford Global Technologies, LLC | Phase adjusting device |
JP5162659B2 (en) * | 2007-06-19 | 2013-03-13 | ボーグワーナー インコーポレーテッド | Concentric cam with phase shifter |
DE102007053688A1 (en) | 2007-11-10 | 2009-05-14 | Schaeffler Kg | Control valve assembly for camshaft adjuster of internal combustion engine, comprises hollow cylindrical valve housing and hydraulic control valve for controlling pressure medium flow |
DE102008011116A1 (en) | 2008-02-26 | 2009-08-27 | Schaeffler Kg | Camshaft adjuster i.e. blade cell adjuster, for internal-combustion engine of motor vehicle, has set of casings arranged in such manner that three separate axial pressure medium lines are formed |
DE102008011915A1 (en) | 2008-02-29 | 2009-09-03 | Schaeffler Kg | Camshaft adjuster with locking device |
DE102008011916A1 (en) | 2008-02-29 | 2009-09-03 | Schaeffler Kg | Camshaft adjuster i.e. wing cell adjuster, for internal combustion engine of modern motor vehicle, has guides blocking adjustment of drive part opposite to drive direction and allowing adjustment in direction till reaching pivot bearing |
DE102008022931A1 (en) | 2008-05-09 | 2009-11-12 | Schaeffler Kg | Assembly arrangement for phase shifter of internal combustion engine, comprises drive component in driving connection with shaft, and another drive component is provided, which is mounted on another shaft in torque proof manner |
DE102008022932B4 (en) | 2008-05-09 | 2021-08-05 | Schaeffler Technologies AG & Co. KG | Assembly arrangement of a phase adjuster and phase adjuster |
DE102008031978B4 (en) | 2008-07-07 | 2019-03-28 | Schaeffler Technologies AG & Co. KG | Hydraulic camshaft adjuster with short circuit cable |
DE102008031976A1 (en) | 2008-07-07 | 2010-01-14 | Schaeffler Kg | Phase adjusting arrangement of an internal combustion engine |
WO2010007712A1 (en) * | 2008-07-17 | 2010-01-21 | 三菱電機株式会社 | Solenoid valve for variable valve timing device and variable valve timing system |
EP2334913B1 (en) * | 2008-09-19 | 2014-01-01 | Borgwarner Inc. | Cam torque actuated phaser using band check valves built into a camshaft or concentric camshafts |
DE102008051386A1 (en) * | 2008-10-11 | 2010-04-15 | Daimler Ag | Phasenverstellvorrichtung |
DE102008055837A1 (en) | 2008-11-04 | 2010-05-06 | Schaeffler Kg | Camshaft adjuster for internal-combustion engine, has stator provided with crankshaft in drive connection and rotor connected with camshaft in torque proof manner |
DE102008056796A1 (en) | 2008-11-11 | 2010-05-12 | Schaeffler Kg | Rotary piston adjuster with torsion spring |
DE102009008056A1 (en) | 2009-02-09 | 2010-08-12 | Schaeffler Technologies Gmbh & Co. Kg | Control valves for controlling pressure medium flows |
DE102009009252B4 (en) | 2009-02-17 | 2017-10-26 | Schaeffler Technologies AG & Co. KG | Hydraulic camshaft adjuster with axial screw plug |
DE102009009523A1 (en) | 2009-02-18 | 2010-08-19 | Schaeffler Technologies Gmbh & Co. Kg | Phase setting arrangement i.e. camshaft setting arrangement, for internal-combustion engine, has drive part that is mounted on bearing pedestal consisting of two base parts, where drive part is provided in phase setting device |
DE102009035120A1 (en) * | 2009-07-29 | 2011-02-03 | Neumayer Tekfor Holding Gmbh | camshaft |
DE102009042228A1 (en) | 2009-09-18 | 2011-03-31 | Schaeffler Technologies Gmbh & Co. Kg | Device for changing the relative angular position of a camshaft relative to a crankshaft of an internal combustion engine |
DE102009051310A1 (en) | 2009-10-29 | 2011-05-05 | Schaeffler Technologies Gmbh & Co. Kg | Fastening arrangement of a camshaft adjuster |
DE102009051559A1 (en) | 2009-10-31 | 2011-05-05 | Schaeffler Technologies Gmbh & Co. Kg | Rotary piston adjuster for internal combustion engine of motor vehicle, has outer rotor and inner rotor which is rotatably connected with camshaft, and outer rotor is brought in drive connection with crankshaft |
DE102009051519A1 (en) * | 2009-10-31 | 2011-05-05 | Schaeffler Technologies Gmbh & Co. Kg | Camshaft adjustment arrangement |
DE102009052841A1 (en) * | 2009-11-13 | 2011-05-19 | Hydraulik-Ring Gmbh | camshafts use |
KR101134973B1 (en) * | 2009-11-19 | 2012-04-09 | 기아자동차주식회사 | Engine brake and engine provided with the same |
DE102009054052B4 (en) | 2009-11-20 | 2018-08-23 | Schaeffler Technologies AG & Co. KG | Switchable device for pressure supply |
DE102009054050A1 (en) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Switchable device for supplying pressure to lubricating oil system of internal-combustion engine, has braking device switched into switched-off condition, in which rotating motion of screw pillar is not prevented |
DE102009054048A1 (en) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Assembly for mounting hydraulic rotary piston adjuster i.e. belt camshaft adjuster, in internal combustion engine, has fastening screws formed as adjusting screws for adjusting locking play and connecting plates in both directions |
DE102009054053A1 (en) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Pressure reservoir for hydraulic system, has housing, movable element and energy storage, where movable element is arranged within housing |
DE102009054051A1 (en) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Switchable device for pressure supply with passive additional pressure accumulator |
DE102009054055A1 (en) | 2009-11-20 | 2011-05-26 | Schaeffler Technologies Gmbh & Co. Kg | Switchable device for pressure supply |
US20110315257A1 (en) * | 2010-06-23 | 2011-12-29 | General Electric Company | Linear hollow spool valve |
JP5585832B2 (en) * | 2010-09-10 | 2014-09-10 | アイシン精機株式会社 | Valve timing control device |
US8695548B2 (en) | 2010-12-10 | 2014-04-15 | Denso Corporation | Valve timing control apparatus |
DE102010063390A1 (en) | 2010-12-17 | 2012-06-21 | Schaeffler Technologies Gmbh & Co. Kg | Pressure accumulator unit for supporting e.g. camshaft for supporting during starting engine of vehicle, has guide comprising hollow-cylinder-shaped base element and ring-shaped bearing element that is arranged between base element and rod |
DE102011012020B4 (en) | 2011-02-22 | 2017-03-16 | Eto Magnetic Gmbh | Camshaft with camshaft adjuster |
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US8662039B2 (en) | 2011-03-16 | 2014-03-04 | Delphi Technologies, Inc. | Camshaft phaser with coaxial control valves |
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DE102011055651B4 (en) | 2011-11-23 | 2017-12-07 | Thyssenkrupp Presta Teccenter Ag | camshaft assembly |
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DE102013212943B4 (en) | 2013-07-03 | 2017-01-26 | Schaeffler Technologies AG & Co. KG | Connection of an adjusting actuator to a central valve system for a dry belt drive |
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JP6015605B2 (en) * | 2013-09-17 | 2016-10-26 | 株式会社デンソー | Valve timing adjustment device |
DE102014102617A1 (en) * | 2014-02-27 | 2015-08-27 | Hilite Germany Gmbh | Hydraulic valve for a Schwenkmotorversteller a camshaft |
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US10760454B2 (en) * | 2017-09-19 | 2020-09-01 | ECO Holding 1 GmbH | Oil control valve to control a cam phaser with a spool positioned by an external actuator and having a groove |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6035817A (en) * | 1997-11-19 | 2000-03-14 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve timing mechanism for engine |
US6076492A (en) * | 1998-03-27 | 2000-06-20 | Yamaha Hatsudoki Kabushiki Kaisha | Cylinder head for variable valve timing |
US6363896B1 (en) * | 1998-04-18 | 2002-04-02 | Daimlerchrysler Ag | Camshaft adjuster for internal combustion engines |
US6640757B2 (en) * | 2001-11-30 | 2003-11-04 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve drive mechanism for an internal combustion engine |
US6871621B2 (en) * | 2003-05-12 | 2005-03-29 | Hydraulik-Ring Gmbh | Camshaft adjuster for internal combustion engines of motor vehicles |
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-
2005
- 2005-03-17 DE DE502005010369T patent/DE502005010369D1/en active Active
- 2005-03-17 EP EP05005812A patent/EP1596040B1/en active Active
- 2005-04-19 JP JP2005121292A patent/JP4563859B2/en not_active Expired - Fee Related
- 2005-05-09 US US11/124,841 patent/US7243626B2/en active Active
- 2005-05-13 CN CN200510071251XA patent/CN1696476B/en not_active Expired - Fee Related
- 2005-05-13 KR KR1020050039929A patent/KR101179420B1/en active IP Right Grant
- 2005-05-16 CN CN200510072657XA patent/CN1696475B/en active Active
-
2007
- 2007-05-11 US US11/747,312 patent/US7597076B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6035817A (en) * | 1997-11-19 | 2000-03-14 | Yamaha Hatsudoki Kabushiki Kaisha | Variable valve timing mechanism for engine |
US6076492A (en) * | 1998-03-27 | 2000-06-20 | Yamaha Hatsudoki Kabushiki Kaisha | Cylinder head for variable valve timing |
US6363896B1 (en) * | 1998-04-18 | 2002-04-02 | Daimlerchrysler Ag | Camshaft adjuster for internal combustion engines |
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US6871621B2 (en) * | 2003-05-12 | 2005-03-29 | Hydraulik-Ring Gmbh | Camshaft adjuster for internal combustion engines of motor vehicles |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7597076B2 (en) * | 2004-05-14 | 2009-10-06 | Andreas Strauss | Camshaft adjuster |
US20070204824A1 (en) * | 2004-05-14 | 2007-09-06 | Ina-Schaeffler Kg | Camshaft adjuster |
US20080271690A1 (en) * | 2007-05-02 | 2008-11-06 | Schaeffler Kg | Camshaft adjuster for an internal combustion engine with integrated valve slide |
US8215273B2 (en) * | 2007-05-02 | 2012-07-10 | Schaeffler Technologies AG & Co. KG | Camshaft adjuster for an internal combustion engine with integrated valve slide |
US20100327209A1 (en) * | 2008-01-26 | 2010-12-30 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulic medium insert for a control valve in a hydraulic actuator |
US9970333B2 (en) | 2010-03-09 | 2018-05-15 | Schwabische Huttenwerke Automotive Gmbh | Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft |
US20110220046A1 (en) * | 2010-03-09 | 2011-09-15 | Schwabische Huttenwerke Automotive Gmbh | Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft |
US9021997B2 (en) * | 2010-03-09 | 2015-05-05 | Schwaebische Huettenwerke Automotive Gmbh | Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft |
US10072538B2 (en) | 2010-03-09 | 2018-09-11 | Schwaebische Huettenwerke Automotive Gmbh | Cam shaft phase setter comprising a control valve for hydraulically adjusting the phase position of a cam shaft |
US8931450B2 (en) | 2011-03-18 | 2015-01-13 | Eto Magnetic Gmbh | Camshaft assembly and method for producing a camshaft assembly |
US20140352638A1 (en) * | 2013-05-28 | 2014-12-04 | Schaeffler Technologies Gmbh & Co. Kg | Camshaft adjusting device |
US20170356313A1 (en) * | 2015-01-15 | 2017-12-14 | Schaeffler Technologies AG & Co. KG | Central valve for a camshaft adjustment device |
US10309271B2 (en) * | 2015-01-15 | 2019-06-04 | Schaeffler Technologies AG & Co. KG | Central valve for a camshaft adjustment device |
Also Published As
Publication number | Publication date |
---|---|
CN1696475B (en) | 2011-01-05 |
US20070204824A1 (en) | 2007-09-06 |
DE502005010369D1 (en) | 2010-11-25 |
KR20060047845A (en) | 2006-05-18 |
KR101179420B1 (en) | 2012-09-03 |
EP1596040B1 (en) | 2010-10-13 |
JP2005325836A (en) | 2005-11-24 |
CN1696475A (en) | 2005-11-16 |
EP1596040A2 (en) | 2005-11-16 |
US20050252467A1 (en) | 2005-11-17 |
US7597076B2 (en) | 2009-10-06 |
CN1696476A (en) | 2005-11-16 |
EP1596040A3 (en) | 2008-08-27 |
CN1696476B (en) | 2011-06-08 |
JP4563859B2 (en) | 2010-10-13 |
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